Windmills from old car parts and car batteries and artificial sunlight from carbon arc lamps using pencilleads is possible, however.
可以从破旧的车辆里拆取风叶和蓄电池,再用铅笔芯制造弧光照明灯获取人工照明是有可能的。
2
In theory, at atmospheric pressure and lower temperature chemical changes are liable to take place that change diamond into graphite, similar to the stuff pencilleads are made of.
理论上,在大气压及较低的压力下,化学物质的改变倾向于使钻石转变成石墨,与用于做铅笔芯的物质相似。
3
The pencil I carry in my back-back is a silver-plated Eversharp with propelling leads, which my mother left in her drawer when she died.